1. Anabolic Androgenic Steroid Research Group, Section for Clinical Addiction Research, Division of Mental Health and Addiction Oslo University Hospital Oslo Norway
2. Institute of Clinical Medicine University of Oslo Oslo Norway
3. Division of Mental Health and Addiction Oslo University Hospital Oslo Norway
4. National Advisory Unit on Substance Use Treatment Oslo University Hospital Oslo Norway
5. ProCardio Center for Research Based Innovation, Department of Cardiology, Rikshospitalet Oslo University Hospital Oslo Norway
6. Hormone Laboratory, Department of Medical Biochemistry and Biochemical Endocrinology and Metabolism Research Group Oslo University Hospital Oslo Norway
7. National Centre for Epilepsy, Section for Clinical Psychology and Neuropsychology Oslo University Hospital Oslo Norway